.article-detail-container {
    max-width: 1020px;
    margin: auto;
}

.art-title {
    padding: 20px;
    position: relative;
}

.art-title:after {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    content: ' ';
    background-color: #c8c7cc;
    transform: scaleY(.5);
}